cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A223059 Number of nX5 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.

Original entry on oeis.org

51, 19360, 9383963, 4606719559, 2266567594841, 1115636153544055, 549172612438350029, 270334270159303305523, 133074373792931796543737, 65507037468442048450168351, 32246421320132829050759287877
Offset: 1

Views

Author

R. H. Hardin Mar 13 2013

Keywords

Comments

Column 5 of A223062

Examples

			Some solutions for n=3
..0..0..0..0..0....0..0..0..1..0....0..0..0..0..1....0..0..0..1..0
..1..2..1..1..1....2..2..3..0..2....2..3..2..1..0....2..2..2..0..1
..2..3..2..3..3....1..0..3..2..0....0..0..1..3..3....0..1..1..2..1